Perhaps you should try some spelling variations:
del profesorado » del profesor (Expand Search)
investigacion e » investigacion en (Expand Search), investigacion de (Expand Search), investigacion y (Expand Search)
espana insiste » espana injusta (Expand Search), espana instituto (Expand Search), espana invisible (Expand Search)
formacion del » formacion de (Expand Search)
de formacion » de informacion (Expand Search), la formacion (Expand Search)
e innovacion » de innovacion (Expand Search), la innovacion (Expand Search)
insiste de » insiste en (Expand Search)
educativa. » education. (Expand Search)